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Wireless Sound Sensor


GWT-L201 Wireless Sound Sensor

Place the GUARDMAN® wireless Sound Sensor on top of a phone to become a phone call alert transmitter,  it will transmit a wireless signal to the receiver when detects a sound.



  • After paired with the GUARDMAN® Multi-Alert Receiver, it can transmit a wireless alert signal to the receiver when it detects a sound

  • SUB-1G RF frequency with wireless transmission range up to 300m / 1,000ft (direct line of sight)

  • Built-in “Fuzzy” logic to eliminate false triggers by sudden vibration

  • 3 sound sensitivity level: High / Mid / Low

  • Power On / Off button

  • Low battery indication on receiver


  • Product dimension: 68 (L) x 25 (W) x 78 (H) mm

  • Product weight: 80 g (incl. battery)

  • Battery: AAA x 2 (not included)

  • Battery life: 1 year (based on pressing the button 3 times per day)

  • Accessories: Case open key x 1, Housing double side adhesive foam x 1, Microphone adhesive foam x 1, 1 pack of mounting kit (screws x 2, anchors x 2, drill hole template)

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